@article{Hansen:1998,
	author = {W. Hansen and D. Schmerek and C. Steinebach},
	title = {Ground states in one-dimensional electron systems},
	publisher = {Physics-Uspekhi},
	year = {1998},
	journal = {Phys. Usp.},
	volume = {41},
	number = {2},
	pages = {175-178},
	url = {https://ufn.ru/en/articles/1998/2/u/},
	doi = {10.1070/PU1998v041n02ABEH000357}
}